Chaco Energy
Operator of record for 564 catalogued wells across 6 states. Every well below links to its full registry page.
Filed as: CHACO ENERGY COMPANY · Chaco Energy Company
At a glance
Chaco Energy is the operator of record for 564 catalogued U.S. oil & gas wells in 6 states. 453 (80%) are active, 77 (14%) plugged & abandoned. Its largest concentration is in Oklahoma, with 345 wells (61% of its portfolio).
Wells operated
564
Active
453
Plugged
77
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 345 |
| Wyoming | 121 |
| Kansas | 60 |
| Colorado | 27 |
| Montana | 9 |
| North Dakota | 2 |
Well mix
- Oil wells
- 294
- Gas wells
- 236
- Shut-in
- 32
- Active share
- 80%
Is this your company?
Claim Chaco Energy to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Chaco Energy operate?
Chaco Energy's catalogued wells are spread across 6 states: Oklahoma (345), Wyoming (121), Kansas (60), Colorado (27) and Montana (9) and 1 more. Its 121 Wyoming wells are 0.1% of the 129,957 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Chaco Energy’s wells are active, plugged or orphaned?
80% of Chaco Energy's catalogued wells are active, 51 percentage points above the national share of 29%. 14% are plugged & abandoned, against 47% nationally. 32 wells (6%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Chaco Energy operate?
By product class, 294 (52%) are oil wells and 236 (42%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Coulee Unit 1 in Park, WY at 13,375 ft. The wells listed below sit in Park (WY), Converse (WY), Sheridan (MT), Richland (MT), Campbell (WY) and Carbon (WY) and other counties. State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Chaco Energy
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Coulee Unit 1 | 49-029-20719 | Shut-in | Gas | Park, WY | Chaco Energy Company | 13,375 ft |
| Pine Ridge 1 | 49-009-22734 | Active | Oil | Converse, WY | Chaco Energy Company | 13,268 ft |
| Federal 1-5H | 25-091-21896 | Active | Oil | Sheridan, MT | Chaco Energy Company | 12,934 ft |
| Johnson 9-34 | 25-083-21556 | Active | Oil | Richland, MT | Chaco Energy Company | 12,930 ft |
| Muck W72051 33-11 | 49-005-28250 | Active | Oil | Campbell, WY | Chaco Energy Company | 12,840 ft |
| Uprr 1-9 | 49-007-20547 | Plugged & abandoned | Gas | Carbon, WY | Chaco Energy Company | 12,541 ft |
| Hoffelt 2 | 25-091-21558 | Shut-in | Oil | Sheridan, MT | Chaco Energy Company | 12,086 ft |
| Horseshoe Unit 31-16 | 49-037-23179 | Active | Gas | Sweetwater, WY | Chaco Energy Company | 12,040 ft |
| F. Hoffeldt 1 SWD | 25-091-05008 | Active | Injection | Sheridan, MT | Chaco Energy Company | 12,038 ft |
| Champlin 289 Bannon B 1 | 49-037-23266 | Active | Gas | Sweetwater, WY | Chaco Energy Company | 11,877 ft |
| Willie Bee 3 | 25-091-21522 | Active | Oil | Sheridan, MT | Chaco Energy Company | 11,825 ft |
| Goldfinch 1 | 49-009-22038 | Active | Oil | Converse, WY | Chaco Energy Company | 11,721 ft |
Deepest first where depth is published. See all 564 wells →
Frequently asked questions
How many wells does Chaco Energy operate?
Chaco Energy is the operator of record for 564 catalogued oil & gas wells, with the largest concentration in Oklahoma (345). Only wells in states WellCensus has ingested are counted.
How many of Chaco Energy's wells are still active?
453 of Chaco Energy's catalogued wells are active; 77 are plugged & abandoned.
In which states does Chaco Energy operate wells?
Chaco Energy is the operator of record for wells in Oklahoma (345), Wyoming (121), Kansas (60), Colorado (27), Montana (9) and North Dakota (2).
Does Chaco Energy operate mostly oil or gas wells?
294 of Chaco Energy's catalogued wells are oil wells and 236 are gas wells; the rest are injection, service or unclassified wells.
What is Chaco Energy's deepest well?
Among wells with a published depth, Coulee Unit 1 in Park, WY is the deepest at 13,375 ft.
Where Chaco Energy's wells are
- Oil & gas wells in Oklahoma· 345 operated by Chaco Energy
- Oil & gas wells in Wyoming· 121 operated by Chaco Energy
- Oil & gas wells in Kansas· 60 operated by Chaco Energy
- Oil & gas wells in Colorado· 27 operated by Chaco Energy
- Oil & gas wells in Montana· 9 operated by Chaco Energy
- Oil & gas wells in North Dakota· 2 operated by Chaco Energy
- Largest U.S. well operators
- All well operators
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Chaco Energy — well portfolio”, https://wellcensus.com/operators/chaco-energy-157 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).